{"product_id":"vintage-solid-18k-white-gold-13-5ct-opal-and-diamond-double-halo-ring-j-28272542","title":"Vintage Solid 18K White Gold 13.5ct Opal and Diamond Double Halo Ring","description":"\u003cp\u003eThis mesmerising vintage cocktail ring showcases a substantial oval cabochon opal of approximately 13.5 carats, displaying a captivating play-of-color with soft pastel flashes of pink, blue, and green against a milky translucent body. The opal's generous size and iridescent depth create a hypnotic focal point, surrounded by an elaborate double halo of brilliant-cut diamonds totalling ca. 1.5 carats—clear and cognac shades intermixed for added warmth and contrast.\u003cbr\u003eCrafted in cool 18K white gold (fully hallmarked 750), the intricate pavé setting and prong work reflect expert mid-century craftsmanship, blending bold scale with refined detailing for a truly statement-making piece. Ideal for opal collectors or those seeking a unique, colorful alternative to traditional diamond rings—this ring transitions beautifully from daytime elegance to evening drama.\u003cbr\u003eCarried in our boutique collection and maintained in excellent vintage condition. From Chaya Jewellery, Zurich’s family-owned boutique established in 1976, specialising in exceptional gemstone treasures. Ring size 55\u003c\/p\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCreator: Chaya Jewellery\u003c\/li\u003e\n\u003cli\u003eRing Size: 55.1 mm, Not Resizable\u003c\/li\u003e\n\u003cli\u003eMetal: 18k Gold,White Gold,Gold\u003c\/li\u003e\n\u003cli\u003eStone: Diamond,Opal\u003c\/li\u003e\n\u003cli\u003eStone Cut: Oval Cut\u003c\/li\u003e\n\u003cli\u003eWeight: 8 g\u003c\/li\u003e\n\u003cli\u003eStyle: Art Deco\u003c\/li\u003e\n\u003cli\u003ePlace of Origin: Switzerland\u003c\/li\u003e\n\u003cli\u003ePeriod: 20th Century\u003c\/li\u003e\n\u003cli\u003eDate of Manufacture: Unkown\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chaya Jewellery","offers":[{"title":"Default Title","offer_id":61214026137934,"sku":"CHAYA-1D-j_28272542","price":3000.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1087\/8441\/9150\/files\/chaya-main-p-16151665017166-20261020-v2.jpg?v=1792490494","url":"https:\/\/shop.chaya-jewellery.ch\/products\/vintage-solid-18k-white-gold-13-5ct-opal-and-diamond-double-halo-ring-j-28272542","provider":"Chaya Jewellery","version":"1.0","type":"link"}